Prebiotic blend works in 1 week*. Proprietary Triple Health Guard® Nutrient BlendOmega-3 DHA. Exclusive Natural Defense® Dual Prebiotic® blend. Complete nutrition, 30 nutrients, shown to foster healthy growth. Enfamil® Reguline® is an innovative formula that has nutrients also found in breast milk as well as a blend of prebiotics that work like fiber to promote soft, comfortable stools within 1 week*. Promotes Soft, Comfortable Stools Enfamil® #1 Brand Recommended by Pediatricians Makes Approx. 147 fl. oz.